IKA C 200 - Manual (Page 24)

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Cause:
Sample not combusted.
(Cotton thread had no contact to sample)
User action:
Open cover and remove decomposition vessel. If
the cotton thread has not combusted, check the
ignition contacts and the ignition wire. Otherwi-
se, start a test and use ignition aid if necessary.
Cause:
Decomposition vessel may not have been fi lled
with oxygen.
User action:
Open the cover to cancel the test and perform a
new measurement.
Message:
A/D converter error
Cause:
An error has occurred in the temperature measu-
ring system.
User action:
If the measurement is still active, open the cover
to cancel the test. Then reinitialise the converter
(see section 7.2 ”ReInit”). If this does not work,
switch the appliance off and then back on again.
If this does not work either, please contact IKA
® -
Service.
The combustion residue in the crucible, e.g. soot
or ashes, should also be wiped away with an ab-
sorbent non-fi brous cloth.
6.6 Errors in the measuring procedure
Errors in the measuring procedure are shown in
the alarm line of the display and remain there un-
til they are appropriately acknowledged by the
user.
Message:
Cover open!
Cause:
The cover was opened during the measuring pro-
cess.
User action:
The inner vessel will be emptied automatically,
after which a new measurement can be started..
Note:
if the cover was opened within a minute of igni-
tion, automatic emptying will be delayed by ap-
prox. 2 mins for safety reasons.
Cause:
No ignition contact during the measurement.
User action:
Open the cover and check the ignition wire and
ignition contacts. If necessary, clean the ignition
contacts or change the ignition wire. Check that
the ignition adaptor is in the right position.
Message:
No temperature increase
Appears if the value specifi ed for the temperature
increase is not reached within one minute of ig-
nition (0.05 K).